How much is the pcb part-time sketchpad for a month?

It depends on your ability. Generally, a simple board is between 100~300 yuan. It takes about a few hours to half a day. You can copy quickly if you are skilled. That depends on how many boards you can copy every day. Some are very powerful, you can copy 6~8 floors, and a board may earn tens of thousands of yuan. The time is 10 day and a half. Copying boards costs nothing. It's basically how much money you make.